package day5;

public class Steamship {
    int load;
    int speed;
    int disp;
    public Steamship(int load,int speed,int disp){
        this.load=load;
        this.speed=speed;
        this.disp=disp;
    }
    public void drivetractor() {
        System.out.println("启航");
        System.out.println("鸣笛");
        System.out.println("抛锚");
    }
}
